Python dataclass

A Python Annotation used to create custom Python Class only used for storage of data.

Example

from dataclasses import dataclass
 
@dataclass
class InventoryItem:
    """Class for keeping track of an item in inventory."""
    name: str
    unit_price: float
    quantity_on_hand: int = 0
 
    def total_cost(self) -> float:
        return self.unit_price * self.quantity_on_hand